{"id":"CVE-2026-42987","aliases":["EUVD-2026-35757","GHSA-9wx6-gp73-qg3j"],"status":"published","title":"Windows Deployment Services (WDS) Remote Code Execution","description":"Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00589,"percentile":0.48474,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-06-09T17:06:25Z","modified":"2026-11-10T23:25:14Z","products":[{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42987","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42987"},{"url":"https://github.com/advisories/GHSA-9wx6-gp73-qg3j"}],"sources":{"cve":[{"id":"CVE-2026-42987","title":"Windows Deployment Services (WDS) Remote Code Execution","description":"Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-06-09T17:06:25.379Z","modified":"2026-11-10T23:25:14.819Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-11T00:50:10.062046Z"}],"euvd":[{"id":"EUVD-2026-35757","description":"Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-06-09T17:06:25Z","modified":"2026-11-10T23:25:14Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-11T00:24:45.332412Z"}],"ghsa":[{"id":"GHSA-9wx6-gp73-qg3j","title":"Use after free in Windows Deployment Services allows an unauthorized attacker to execute code...","description":"Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-06-09T18:30:46Z","modified":"2026-06-09T18:30:53Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:08:41.598643Z"}],"nvd":[{"id":"CVE-2026-42987","description":"Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-06-09T17:17:14.853Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:23.109705Z"}]}}